Commemoration of Avicenna; Doctors’ Day
National occasion Strength of evidence: Strong
Honouring Avicenna, the renowned philosopher and physician, author of The Canon of Medicine.
Monday August 23, 2027
Gregorian
August 23, 2027
Lunar Hijri
Rabiʻ I 21, 1449
Solar Hijri
Shahrivar 1, 1406